Apostle-class cruiser

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The Apostle class was a class of fifteen heavy cruisers built for the Urcean Royal Navy in the 1910s and early 1920s. Naval theorists in the early 1910s s perceived a need for an intermediate step between well-armed light cruisers, such as Urcea's Glens Falls-class cruisers, and the battlecruisers of some other nations, which Urcea did not employ. The heavy cruiser concept was born out of the need for a ship to counter other cruisers while still fulfilling cruiser missions, such as scouting and merchant escort. It was anticipated the Apostle-class would work in tandem with a larger number of Coria-class cruisers in some missions. The Apostle-class saw heavy use in the Great War in a number of uses, but it was considered one of the more efficient anti-shipping and anti-destroyer ships of the early war. Five of the ships were converted into Gabban-class aircraft carriers between 1937 and 1940; the remainder were scrapped after the war.

Class overview
Name: Apostle class
Builders: PYC Limited
Operators: Royal Navy
Built: 1914-1923
In commission: 1916-1953
Completed: 21
Lost: 4
Scrapped: 17
General characteristics
Type: Heavy cruiser
Displacement:
  • 9,750 tons (standard)
  • 12,190 tons (full load)
Length:

565 ft (172 m) (p/p) 605 ft (184 m)(o/a)

Beam: 58 ft (18 m) (65 ft across bulges)
Draught: 17.25 ft (5.26 m)
Propulsion:

Ten oil-fired water-tube boilers

Speed: 31 knots (57.4 km/h) (30 knots (55.6 km/h) Hawkins)
Range: 5,400 nmi (10,000 km) at 14 knots (26 km/h)
Complement: 712 / 750 flag
Armament:

7 × 7.5 inch naval guns in single mounts 3 × 4 inch naval guns in single mounts 8 × 3 inch naval guns in single mounts 2 × submerged & 4 × fixed above water 21-inch torpedo tubes

Armour:

Main belt; 1.5–2.5 in (38–64 mm) forward 3 in (76 mm) amidships 2.25–1.5 in (57–38 mm) aft Upper belt;

  • 1.5 in (38 mm) forward
  • 2 in (51 mm) amidships

Upper deck;

  • 1–1.5 in (25–38 mm) over boilers

Main deck;

  • 1–1.5 in (25–38 mm) over engines
  • 1 in (25 mm) over steering gear

Gunshields;

  • 2 in (51 mm) face
  • 1 in (25 mm) crown & sides

Design

Service history

Ships of the class